Further Detail

The VELUX GVK 0000Z Rooflight brings light into uninhabited spaces in your home where it is unheated and uninsulated.

The VELUX GVK Rooflight Window 0000Z is only for use in spaces which are unheated and uninsulated. They allow you to bring daylight into these spaces where you may require it, but due to their thermal performance, are not recommended in habitable rooms.